Sgt. Maj. Gerald Saunders, outgoing sergeant major of Marine Corps Installations National Capital Region - Marine Corps Base Quantico, addresses the audience at his retirement ceremony, held July 8 in Little Hall. Saunders retires with more than 30 years of service to the Marine Corps. - Sgt. Maj. Gerald Saunders, outgoing sergeant major of Marine Corps Installations National Capital Region - Marine Corps Base Quantico, addresses the audience at his retirement ceremony, held July 8 in Little Hall. Saunders retires with more than 30 years of service to the Marine Corps.